Central Thai — hor mok is considered a refined preparation associated with the Thai royal court tradition; the banana leaf cups are a traditional presentation
Hor mok is a steamed Thai seafood curry custard — one of the most technically demanding preparations in the Thai canon. Minced or sliced seafood is combined with red curry paste, beaten eggs, thick coconut cream, fish sauce, palm sugar, and kaffir lime leaf chiffonade, then spooned into banana leaf cups and steamed until just-set. The custard should be silky, barely-firm, and glossy — not spongy or grainy. The balance of egg to coconut cream determines the final texture: too much egg and the hor mok becomes rubbery; too much coconut cream and it won't set. The top is dressed with a spoonful of thick coconut cream and additional kaffir lime leaf before the final steam.
Hor mok's silky-firm texture is the vehicle for a concentrated expression of curry paste aromatics in a delicate form — the custard structure means the coconut and spice are experienced as a continuous, smooth sensation rather than a coating.
{"Egg:coconut cream ratio of approximately 1 egg to 60ml thick coconut cream per 100g protein","Beat the egg and coconut cream together before combining with the seasoned fish mixture","Curry paste quantity: enough to season but not overwhelm the delicacy of the seafood","Steam at gentle, not rolling, steam — violent steam creates bubbles in the custard surface","The custard is done when a skewer inserted in the centre comes out clean and the surface is just-set and glossy"}
For the finest texture, strain the egg-coconut cream mixture through a fine mesh sieve before combining with the fish — this removes any chalaza or egg thread that creates an uneven texture in the finished custard.
{"Over-steaming — produces a rubbery, grainy custard rather than silky-firm","Using too much egg — the protein sets hard before the coconut cream components reach their optimal temperature","Rolling boil under the steamer — the violent steam bubbles break the surface of the custard","Not seasoning the coconut cream top layer — the final coconut cream layer must be seasoned with a pinch of salt or it tastes flat"}